.conv-container { max-width: 500px; margin: 20px auto; border: 1px solid var(--border); padding: 20px; background: rgba(0,0,0,0.1); }
        .conv-row { margin-bottom: 15px; display: flex; justify-content: space-between; align-items: center; }
        .conv-row label { font-weight: bold; }
        input[type="file"], select, button { background: var(--dark-bg); color: var(--primary); border: 1px solid var(--secondary); padding: 5px; }
        button { cursor: pointer; width: 100%; padding: 10px; margin-top: 10px; font-weight: bold; }
        button:hover { background: var(--secondary); color: var(--dark-bg); }
        progress { width: 100%; height: 20px; }
        #statusText { font-size: 0.9em; margin-top: 5px; display: block; }
        #downloadLink { display: none; margin-top: 15px; text-align: center; border: 1px dashed var(--primary); padding: 10px; text-decoration: none; color: var(--primary); font-weight: bold; }